President Maithripala Sirisena yewsterday (20) opened the ‘Mehewara Piyasa’ building established at the Department of Labour with the aim of providing productive and efficient service to the public under one roof. The construction works of this building commenced in 2009 and it built at a cost of Rs. 8500 million. This is the largest and tallest building currently owned by the government and this 32-storey building features modern amenities.